import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


@WebServlet("/doDemo")
public class DemoServlet extends HttpServlet{

    @Override
    protected void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException {
        doPost(request,response);
    }

    @Override
    protected void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException {
        response.getWriter().write("HelloWorld");
    }
}
